Fig. 1From: Deep sequencing of the HIV-1 polymerase gene for characterisation of cytotoxic T-lymphocyte epitopes during early and chronic disease stagesNeighbour-joining phylogenetic tree of all samples including sample pairs. Group O strain of HIV-1 was used for rooting. Only bootstrap values above 70% are shown. Baseline and follow-up (fu) sequences of the same participant correctly clusteredBack to article page